LalPcks are working with Deflate

Also created a Substream class that reads from parts of other streams
Load streams from LalPcks, removed Manager

- Removed LalPckManager, put static functions into LalPck.cs
- Added Utils.cs with string -> md5 hash and ByteArrayCompare functions
Virtual Filesystem created

Also has custom ContentManager that loads from virtual filesystem
Moved LogManager from Logging to Controllers
Merge pull request #3 from Pie-Studios/lalpck

Paket fungerande nu, najs kompressions-rating